NServiceBus - File based routing (FBR) & Sender side distribution (SSD) shared configuration

App.config

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
  <appSettings>
    <add key="NServiceBus/ErrorAddress" value="error"/>
    <add key="NServiceBus/AuditAddress" value="audit"/>
    <add key="NServiceBus/InstanceMappingFile" value="instances.xml"/>
    <add key="NServiceBus/RouteMappingFile" value="routes.xml"/>
    <add key="NServiceBus/MonitoringAddress" value=""/>
    <!--<add key="NServiceBus/InstanceId" value="1"/>-->
  </appSettings>
</configuration>

EndpointConfigExtensions.cs

using System;
using System.Configuration;
using NServiceBus;
using NServiceBus.FileBasedRouting;

static class EndpointConfigExtensions
{
    public static void SetupTransport(this EndpointConfiguration endpointConfiguration)
    {
        var settings = ConfigurationManager.AppSettings;
        var transport = endpointConfiguration.UseTransport<MsmqTransport>();
        var routing = transport.Routing();
        var metrics = endpointConfiguration.EnableMetrics();
        endpointConfiguration.SendFailedMessagesTo(settings["NServiceBus/ErrorAddress"]);
        endpointConfiguration.ForwardReceivedMessagesTo(settings["NServiceBus/AuditAddress"]);
        routing.UseFileBasedRouting(settings["NServiceBus/RouteMappingFile"]);
        routing.InstanceMappingFile().FilePath(settings["NServiceBus/InstanceMappingFile"]);
        metrics.SendMetricDataToServiceControl(settings["NServiceBus/MonitoringAddress"], TimeSpan.FromMilliseconds(500));

        var discriminator = ConfigurationManager.AppSettings["NServiceBus/InstanceId"];
        if(!string.IsNullOrEmpty(discriminator)) endpointConfiguration.MakeInstanceUniquelyAddressable(discriminator);
    }
}

endpoints.xml

<?xml version="1.0" encoding="utf-8" ?>
<endpoints>
  <endpoint name="Samples.SenderSideScaleOut.Server">
    <handles>
      <commands assembly="Messages" />
      <events assembly="Messages"/>
    </handles>
  </endpoint>
</endpoints>

instances.xml

<?xml version="1.0" encoding="utf-8" ?>
<endpoints>
  <endpoint name="Samples.SenderSideScaleOut.Client">
    <instance machine="N1" />
    <instance machine="N2" />
  </endpoint>
  <endpoint name="Samples.SenderSideScaleOut.Server">
    <instance machine="N1" />
    <instance machine="N2" />
  </endpoint>
</endpoints>